How to propose to your girlfriend is a question where most advice is either too generic or too cinematic. The proposal that works is not the most expensive or the most elaborate — it is the most true to who the two of you actually are together.
Before the Proposal — Know Why
The most important thing about a proposal is not where it happens or what you say. It's that when you say "will you marry me," you have already answered that question completely for yourself. She will feel the difference between a proposal made from certainty and one made from social pressure or expectation. That certainty is what makes it real.
What to Actually Say
Don't rehearse a speech written for an audience. Talk to her. Tell her what you love about her specifically — not in general sweeping terms, but the things you notice about her that nobody else would notice. Tell her what you've seen in her this year. Tell her what your life looks like with her in it. Then ask. One true sentence beats three polished minutes every time.
The Moment Before You Ask
Build the day around her, not the proposal itself. A morning that starts with her name displayed beautifully on a LoveName card tells her the day was planned with love before she knows what's coming. Choose food she loves. Be somewhere that has meaning for both of you. Make the day feel like a gift before the question arrives.
After She Says Yes
Take a moment before you reach for your phones. Be in the room together for a minute before the world finds out. That minute is entirely yours, and you will want to remember it. Also see: exactly what to say when you propose.